The peat deposits of Minnesota,
Soper, Edgar Kirke, 1886-
The peat deposits of Minnesota, by E. K. Soper. - Minneapolis, The University of Minnesota, 1919. - ix, 261 p. illus., XXI pl. (part fold., incl. 4 maps) 23 cm. - Minnesota Geological Survey. Bulletin no. 16 . - Bulletin (Minnesota Geological Survey) ; no. 16. .
At head of title: The University of Minnesota ... In coöperation with the United States Geological survey and the United States Bureau of mines.
Published also as thesis (Ph. D.) University of Minnesota, 1917, with title: The origin, occurrence, and uses of Minnesota peat.
Bibliography: p. [254]-256.
gs 19000200
Peat--Minnesota.
QE127 / .A22 no. 16
The peat deposits of Minnesota, by E. K. Soper. - Minneapolis, The University of Minnesota, 1919. - ix, 261 p. illus., XXI pl. (part fold., incl. 4 maps) 23 cm. - Minnesota Geological Survey. Bulletin no. 16 . - Bulletin (Minnesota Geological Survey) ; no. 16. .
At head of title: The University of Minnesota ... In coöperation with the United States Geological survey and the United States Bureau of mines.
Published also as thesis (Ph. D.) University of Minnesota, 1917, with title: The origin, occurrence, and uses of Minnesota peat.
Bibliography: p. [254]-256.
gs 19000200
Peat--Minnesota.
QE127 / .A22 no. 16